20249212

素因数分解:

$2^2\times {\mathrm{19}}^2\times {\mathrm{37}}^1\times {\mathrm{379}}^1$

素因数の和:458

約数の個数: 36

約数和(自身を含む): 38511480

約数和(自身を除く): 18262268

約数列:

[1, 2, 4, 19, 37, 38, 74, 76, 148, 361, 379, 703, 722, 758, 1406, 1444, 1516, 2812, 7201, 13357, 14023, 14402, 26714, 28046, 28804, 53428, 56092, 136819, 266437, 273638, 532874, 547276, 1065748, 5062303, 10124606, 20249212]

約数ペア:

[(1, 20249212), (2, 10124606), (4, 5062303), (19, 1065748), (37, 547276), (38, 532874), (74, 273638), (76, 266437), (148, 136819), (361, 56092), (379, 53428), (703, 28804), (722, 28046), (758, 26714), (1406, 14402), (1444, 14023), (1516, 13357), (2812, 7201)]